Body By Brent LLC is a leading provider of fitness training services in Doylestown, Pennsylvania by consistently providing reliable, affordable and results driven service. Body By Brent boasts a comprehensive approach to fitness providing providing health and fitness services and support. This approached is carried out by highly qualified and best educated health professionals.


The broad range of fitness services provided are mobile personal training, strength and conditioning, in-home post rehabilitation services, “boot camp” type fitness classes held within the community and wellness initiatives for small business and corporations.



Brent Hartman, MS, CSCS, CPT
Brent earned his Bachelor of Science degree in exercise physiology from East Stroudsburg University; Master of Science degree in exercise science from East Stroudsburg University; and his personal training certifications from National Strength and Conditioning Association and the American Council on Exercise.


Additionally, he is a Certified Strength and Conditioning Specialist.  His experiences have varied from cardiac rehabilitation to Division I football.


Brent enjoys working with diverse populations and meeting the various needs of his clients.  When helping clients Brent uses an individualized approach to ensure proper progression for clients of all fitness levels.  He loves seeing clients succeed in accomplishing their goals and the happiness that it brings to them.




Kate Helfrich, AS, PTA, CPT

Kate Headshot

Kate Helfrich earned her Associates Degree in Science from Penn State University as a physical therapist assistant and is a Certified Personal Trainer through the American College of Sports Medicine.  She is currently pursuing her Bachelor’s degree in Exercise Science.


After several years working in the physical therapy and rehabilitation field, Kate decided to further her education and pursue a career in personal training to help clients achieve their fitness goals before an injury occurs. Kate’s focus is on encouraging and assisting her clients to reach their fullest potential when it comes to health and fitness. Her experience includes outpatient orthopedic, post-surgical, sport specific, and osteoporosis rehabilitations, as well as falls prevention in the geriatric client.




Owner, Exercise Physiologist at Body By Brent LLC